four americans including ambassador christopher stevens were killed. defense secretary leon panetta said he doesn't know if they are linked to al qaeda. >> the fbi said a border patrol agent killed near bisbee, arizona may have died accidentally from friendly fire. nicholas ivie died on tuesday. a second agent was wounded. both were responding to reports of people trying to enter the u.s. illegally. details of the shooting have not been released. >>> heavy rain and driver error are blamed for triggering a massive pileup on interstate 75 along florida's west coast. more than 50 people were injured in 12 separate crashes on friday. near the border between sarasota and manatee counties. two were injured. 75 was re-opened after six hours. >> the national league playoff wild card game ended in protest. the cardinals trailed but a late game rally was halted when a pop up to left field was called an automatic out under the flash flood fly rule. atlanta fans unhappy with the umpire's call trashed turner field. st. louis will play washington on sunday in the di